Finding the Fourth Proportional to 201,716.90, 302,575.35 and 83,473.10
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Solution
The fourth proportional to 201,716.90, 302,575.35 and 83,473.10 is: 125,209.65
Step by Step Solution
- Step 1: Write the proportion equation
201,716.90 : 302,575.35 = 83,473.10 : x - Step 2: Convert to fraction form
201,716.90/302,575.35 = 83,473.10/x - Step 3: Cross multiply
201,716.90x = 302,575.35 × 83,473.10 - Step 4: Simplify right side
201,716.90x = 25,256,902,448.09 - Step 5: Solve for x
x = 25,256,902,448.09/201,716.90 - Step 6: Final answer
x = 125,209.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.